Improvement in knitting-machines



UNITED STATES PATENT y.CMEEIGE DAN-.A BieKroEn, or-rn'osfron,MASSACHUSETTS.

IMPROVEMENT INA KN-lTTlNG-MACHINES. I

Specification forming part of Letters Patent No. 68,595, dated September1 0, 1867.

To all fwomjt may concern:

Beit known that I, DANA' BICKFORD, of Boston, in the county of Suffolk,in the AStat-e of Massachusetts, haveinvented an ImprovedKn'itting-l\lachine,gand I do hereby declare that the following is afull and exact descrip-l tion thereof, reference being had to to theaccompanying drawings, and to letters of reference marked thereon.

The nature of my invention consists `in a cam, pivoted at one end, andprovided with a thumbV set-screw to tighten it, in order to change thelength of stitch; and, also, an indicator to show the exact distancemoved; also, a spring-clasp to hold down the re'volv. ing cylinder-andkeep the needles in place.

To enable others skilled in the art to make and use my invention,vI-Will proceed to describe its construction and operation.

Figure 1, inthe drawings, represents a machine complete. Fig-2 is asection ot' thel revolvii'ig cylinder, showing the pivoted cani. Fig'. 3shows the clasp that holds down the cylinder and keeps the needles inplace.- l

In Fig. 1, A is the stationary' frame, and cylinderB is the. revolvingcylinder that carries the-cam for driving the needles. C is the (or itseqnivalent,) which act together When-- the ends meet, and secure thecylinder, and retain the needles in place.

machine, whether old or new.

VVhatI claim as 4my invention, and desire to secure by Letters Patent,is-

1. The combination of thel pivoted cani G, indicator D, and set-screw C,as and for the purposes set forth.

2. I claim` the clasp E, in combination with the cylinder A, as and forthe purposes 'set forth.

DANA BICKFORD. VWitnesses A. ATWOOD, A. M. LAWSON.

These improvements can be applied to almostA any knitting--

